127977680

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{2377}}^1$

素因数の和:3063

約数の個数: 40

約数和(自身を含む): 298115592

約数和(自身を除く): 170137912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 2377, 2692, 3365, 4754, 5384, 6730, 9508, 10768, 11885, 13460, 19016, 23770, 26920, 38032, 47540, 53840, 95080, 190160, 1599721, 3199442, 6398884, 7998605, 12797768, 15997210, 25595536, 31994420, 63988840, 127977680]

約数ペア:

[(1, 127977680), (2, 63988840), (4, 31994420), (5, 25595536), (8, 15997210), (10, 12797768), (16, 7998605), (20, 6398884), (40, 3199442), (80, 1599721), (673, 190160), (1346, 95080), (2377, 53840), (2692, 47540), (3365, 38032), (4754, 26920), (5384, 23770), (6730, 19016), (9508, 13460), (10768, 11885)]